进一步，退两步 One Step Forwards; Two Steps Backwards One Step Forward; Two Steps Back
前进一步却又后退两步 I'd take, uh, one step forward and two steps back
进一步,退两步
One step further, two steps back
以上为机器翻译结果，长、整句建议使用 人工翻译 。
第三宗罪：反复无常罪，做是不能脚踏实地，不懂循序渐进，进一步，退两步。
The third deadly SINS: capricious, and do not sin is conscientious, don't understand gradually, and further, and two steps back.
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